package com.dxy.yesas2020goals.study.partone.disignprinciple.liskovsutiution.methodreturn;

import java.util.Map;

/**
 * @author victorydeng
 * @Classname Base
 * @Description 验证里氏替换原则中子类重载父类方法返回值比父类更严格 （<=父类的类型）
 * @Date 2020/2/24 22:43
 * @Created by victorydeng
 */

public abstract class Base {

  public abstract Map method();
}
